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복잡한 쿼리의 작성과 응용
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69 changes: 69 additions & 0 deletions
69
src/main/java/com/uno/getinline/dto/EventViewResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package com.uno.getinline.dto; | ||
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| import com.uno.getinline.constant.EventStatus; | ||
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| import java.time.LocalDateTime; | ||
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| public record EventViewResponse( | ||
| Long id, | ||
| String placeName, | ||
| String eventName, | ||
| EventStatus eventStatus, | ||
| LocalDateTime eventStartDatetime, | ||
| LocalDateTime eventEndDatetime, | ||
| Integer currentNumberOfPeople, | ||
| Integer capacity, | ||
| String memo | ||
| ) { | ||
| public EventViewResponse(Long id, String placeName, String eventName, EventStatus eventStatus, LocalDateTime eventStartDatetime, LocalDateTime eventEndDatetime, Integer currentNumberOfPeople, Integer capacity, String memo) { | ||
| this.id = id; | ||
| this.placeName = placeName; | ||
| this.eventName = eventName; | ||
| this.eventStatus = eventStatus; | ||
| this.eventStartDatetime = eventStartDatetime; | ||
| this.eventEndDatetime = eventEndDatetime; | ||
| this.currentNumberOfPeople = currentNumberOfPeople; | ||
| this.capacity = capacity; | ||
| this.memo = memo; | ||
| } | ||
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| public static EventViewResponse of( | ||
| Long id, | ||
| String placeName, | ||
| String eventName, | ||
| EventStatus eventStatus, | ||
| LocalDateTime eventStartDatetime, | ||
| LocalDateTime eventEndDatetime, | ||
| Integer currentNumberOfPeople, | ||
| Integer capacity, | ||
| String memo | ||
| ) { | ||
| return new EventViewResponse( | ||
| id, | ||
| placeName, | ||
| eventName, | ||
| eventStatus, | ||
| eventStartDatetime, | ||
| eventEndDatetime, | ||
| currentNumberOfPeople, | ||
| capacity, | ||
| memo | ||
| ); | ||
| } | ||
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| public static EventViewResponse from(EventDto eventDTO) { | ||
| if (eventDTO == null) { return null; } | ||
| return EventViewResponse.of( | ||
| eventDTO.id(), | ||
| eventDTO.placeDto().placeName(), | ||
| eventDTO.eventName(), | ||
| eventDTO.eventStatus(), | ||
| eventDTO.eventStartDatetime(), | ||
| eventDTO.eventEndDatetime(), | ||
| eventDTO.currentNumberOfPeople(), | ||
| eventDTO.capacity(), | ||
| eventDTO.memo() | ||
| ); | ||
| } | ||
|
|
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| } |
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19 changes: 19 additions & 0 deletions
19
src/main/java/com/uno/getinline/repository/querydsl/EventRepositoryCustom.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| package com.uno.getinline.repository.querydsl; | ||
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| import com.uno.getinline.constant.EventStatus; | ||
| import com.uno.getinline.dto.EventViewResponse; | ||
| import org.springframework.data.domain.Page; | ||
| import org.springframework.data.domain.Pageable; | ||
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| import java.time.LocalDateTime; | ||
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| public interface EventRepositoryCustom { | ||
| Page<EventViewResponse> findEventViewPageBySearchParams( | ||
| String placeName, | ||
| String eventName, | ||
| EventStatus eventStatus, | ||
| LocalDateTime eventStartDatetime, | ||
| LocalDateTime eventEndDatetime, | ||
| Pageable pageable | ||
| ); | ||
| } |
74 changes: 74 additions & 0 deletions
74
src/main/java/com/uno/getinline/repository/querydsl/EventRepositoryCustomImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package com.uno.getinline.repository.querydsl; | ||
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| import com.querydsl.core.types.Projections; | ||
| import com.querydsl.jpa.JPQLQuery; | ||
| import com.uno.getinline.constant.ErrorCode; | ||
| import com.uno.getinline.constant.EventStatus; | ||
| import com.uno.getinline.domain.Event; | ||
| import com.uno.getinline.domain.QEvent; | ||
| import com.uno.getinline.dto.EventViewResponse; | ||
| import com.uno.getinline.exception.GeneralException; | ||
| import org.springframework.data.domain.Page; | ||
| import org.springframework.data.domain.PageImpl; | ||
| import org.springframework.data.domain.Pageable; | ||
| import org.springframework.data.jpa.repository.support.QuerydslRepositorySupport; | ||
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| import java.time.LocalDateTime; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
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| public class EventRepositoryCustomImpl extends QuerydslRepositorySupport implements EventRepositoryCustom { | ||
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| public EventRepositoryCustomImpl() { | ||
| super(Event.class); | ||
| } | ||
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| @Override | ||
| public Page<EventViewResponse> findEventViewPageBySearchParams( | ||
| String placeName, | ||
| String eventName, | ||
| EventStatus eventStatus, | ||
| LocalDateTime eventStartDatetime, | ||
| LocalDateTime eventEndDatetime, | ||
| Pageable pageable | ||
| ) { | ||
| QEvent event = QEvent.event; | ||
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| JPQLQuery<EventViewResponse> query = from(event) | ||
| .select(Projections.constructor( | ||
| EventViewResponse.class, | ||
| event.id, | ||
| event.place.placeName, | ||
| event.eventName, | ||
| event.eventStatus, | ||
| event.eventStartDatetime, | ||
| event.eventEndDatetime, | ||
| event.currentNumberOfPeople, | ||
| event.capacity, | ||
| event.memo | ||
| )); | ||
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| if (placeName != null && !placeName.isBlank()) { | ||
| query.where(event.place.placeName.contains(placeName)); | ||
| } | ||
| if (eventName != null && !eventName.isBlank()) { | ||
| query.where(event.eventName.contains(eventName)); | ||
| } | ||
| if (eventStatus != null) { | ||
| query.where(event.eventStatus.eq(eventStatus)); | ||
| } | ||
| if (eventStartDatetime != null) { | ||
| query.where(event.eventStartDatetime.goe(eventStartDatetime)); | ||
| } | ||
| if (eventEndDatetime != null) { | ||
| query.where(event.eventEndDatetime.loe(eventEndDatetime)); | ||
| } | ||
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| List<EventViewResponse> events = Optional.ofNullable(getQuerydsl()) | ||
| .orElseThrow(() -> new GeneralException(ErrorCode.DATA_ACCESS_ERROR, "Spring Data JPA 로부터 Querydsl 인스턴스를 가져올 수 없다.")) | ||
| .applyPagination(pageable, query).fetch(); | ||
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| return new PageImpl<>(events, pageable, query.fetchCount()); | ||
| } | ||
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| } |
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